Cognomen מרץ (Merz 
, Mertz 
, März 
) , all around the world, is a common surname. The surname מרץ is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Germany, and Luxembourg (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Switzerland. Very seldom, מרץ is the forename as well as the last name.